Sciatic n and its branches 股薄肌 股二头肌 biceps femoris 半膜肌 胫神经 semimembranosus tibial n 半腱肌腱 腓总神经 on of semitendinosus 胭静脉 腓肠外侧皮神经 popliteal v lateral sural cutaneous n 腓肠外侧动、静脉 腓肠内侧动、静脉 lateral sural a and v medial sural a. and v 腓肠肌外侧头 lateral head of 小隐静脉 胭肌 腓肠肌内侧头 popliteus medial head of gastrocnemIus 腓总神经 比目鱼肌 非肠内侧皮神经 soleus medial sural cutaneous n 胫神经 tibial n BV&n of popliteal fossa 胫后动、静脉 posterior tibial a. and v. 腓骨 From sup. to deep fibula Tibial n popliteal v & aSciatic n.and its branches BV& N of popliteal fossa From sup.to deep： Tibial n.popliteal v.& a